22312234212 has 48 divisors (see below), whose sum is σ = 52884435072. Its totient is φ = 7320326400.

The previous prime is 22312234177. The next prime is 22312234213. The reversal of 22312234212 is 21243221322.

It is a super-3 number, since 3×22312234212³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (22312234213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400462 + ... + 452762.

It is an arithmetic number, because the mean of its divisors is an integer number (1101759064).

Almost surely, 2^22312234212 is an apocalyptic number.

It is an amenable number.

22312234212 is an abundant number, since it is smaller than the sum of its proper divisors (30572200860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22312234212 is a wasteful number, since it uses less digits than its factorization.

22312234212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52868 (or 52866 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

Adding to 22312234212 its reverse (21243221322), we get a palindrome (43555455534).

The spelling of 22312234212 in words is "twenty-two billion, three hundred twelve million, two hundred thirty-four thousand, two hundred twelve".